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0.25x99+0.25简便计算

,0.25x99等于0.25*(100-1)=0.25*100-0.25=25-0.25=24.75

=0.25*(100-1)+0.025=0.25*100-0.25*1+0.025=25-0.25+0.025=24.75+0.025=24.775

0.25*9+0.25 =0.25X(9+1)=0.25X10=2.5 望采纳

0.25x39+0.25=0.25x(39+1)=0.25x40=10 谢谢,请采纳

= 0.25 * (59+1) =0.25 *60 =15 0.25*59+0.25 = 0.25 * (59+1) =0.25 *60 =15 已解决,满意点击右下角采纳,不明白追问,谢谢!

原式=0.25x39+0.25x1=0.25x(39+1)=0.25x40=10供参考.

=0.25*(39+1)=0.25*40=10

=2.5*3.9+2.5*0.1=2.5*(3.9+0.1)=2.5*4=10.

0.25*39*0.25=0.25*(40-1)*0.25=0.25*40*0.25-0.25*1*0.25=2.5-0.0625=2.4375

(0.25+0.25*99)*6=0.25*100*6=150 希望我的回答对您有帮助,有问题可以追问.满意请及时采纳,谢谢!

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